Iowa Customs 10″ Seat Base Adapter for Peterbilt – Fits National Series Ultra Ride Seats (IC199006-11)
Get the Perfect Driving Position for Your Peterbilt
The Iowa Customs 10-Inch Seat Base Adapter (IC199006-11) is engineered to raise and properly position your National Series Ultra Ride seat in Peterbilt models. Built from precision-machined billet aluminum, this adapter provides a 10″ lift to achieve optimal driver comfort, better forward visibility, and a factory-level seating position. Installation is simple, secure, and requires no drilling or modifications.
Product Features
• Compatible with National Series Ultra Ride air-ride seats
• Raises seat base by 10″ for ideal ergonomics and line-of-sight
• Machined from solid billet aluminum – strong, lightweight, corrosion-resistant
• Precision bolt pattern for direct mount to Peterbilt seat tracks
• Includes stainless steel mounting hardware
• Polished aluminum finish for a professional OEM-grade look
• 100% made in the USA
Fitment
• Peterbilt 379 / 386 / 389
• Designed exclusively for National Series Ultra Ride seats
Note: Not compatible with Legacy, Sears, or other seat bases without modification.
Why Truckers Choose Iowa Customs
• Improves comfort and seating height for long-haul drivers
• CNC-machined for perfect alignment and durability
• Built by American craftsmen with show-quality standards
• Backed by Iowa Customs’ reputation for precision and strength
Common Questions
Q: Does it affect air-ride seat travel?
A: No. It retains full air-ride suspension and movement.
Q: Is all mounting hardware included?
A: Yes – stainless bolts and fasteners are included.
Q: Will this fit other truck brands?
A: No – this model is built specifically for Peterbilt seat bases and bolt spacing.
California Proposition 65
⚠️ WARNING: This product can expose you to chemicals including nickel and aluminum oxide, known to the State of California to cause cancer or reproductive harm. For more information, visit www.P65Warnings.ca.gov.